论文部分内容阅读
麻疹是由麻疹病毒引起的一种以发热、呼吸道卡他症状和特征性皮疹为主要临床表现的急性呼吸道传染病,常在冬、春季节发病。麻疹传染力极强,婴儿和成人发生麻疹的临床症状较儿童严重。据世界卫生组织(WHO)估计,疫苗前时代全世界每年平均约有1.3亿儿童发病,700～800万儿童死亡。我
Measles is a type of acute respiratory infection caused by measles virus, the main clinical manifestation of which is fever, respiratory catarrhal symptoms and characteristic rashes. It is often found in winter and spring. Measles is extremely contagious and the clinical symptoms of measles in infants and adults are more serious than in children. According to estimates by the World Health Organization (WHO), an average of 130 million children are affected each year in the pre-vaccination era and 7 million to 8 million children die. I